/* SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) */
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/* p80211netdev.h
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*
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* WLAN net device structure and functions
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*
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* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
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* --------------------------------------------------------------------
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*
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* linux-wlan
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License version 2 (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of the
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* above. If you wish to allow the use of your version of this file
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* only under the terms of the GPL and not to allow others to use
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* your version of this file under the MPL, indicate your decision
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* by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* --------------------------------------------------------------------
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*
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* Inquiries regarding the linux-wlan Open Source project can be
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* made directly to:
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*
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* AbsoluteValue Systems Inc.
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* info@linux-wlan.com
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* http://www.linux-wlan.com
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*
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* --------------------------------------------------------------------
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*
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* Portions of the development of this software were funded by
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* Intersil Corporation as part of PRISM(R) chipset product development.
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*
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* --------------------------------------------------------------------
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*
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* This file declares the structure type that represents each wlan
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* interface.
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*
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* --------------------------------------------------------------------
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*/
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#ifndef _LINUX_P80211NETDEV_H
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#define _LINUX_P80211NETDEV_H
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#include <linux/interrupt.h>
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#include <linux/wireless.h>
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#include <linux/netdevice.h>
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#define WLAN_RELEASE "0.3.0-staging"
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#define WLAN_DEVICE_CLOSED 0
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#define WLAN_DEVICE_OPEN 1
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#define WLAN_MACMODE_NONE 0
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#define WLAN_MACMODE_IBSS_STA 1
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#define WLAN_MACMODE_ESS_STA 2
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#define WLAN_MACMODE_ESS_AP 3
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/* MSD States */
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#define WLAN_MSD_HWPRESENT_PENDING 1
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#define WLAN_MSD_HWFAIL 2
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#define WLAN_MSD_HWPRESENT 3
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#define WLAN_MSD_FWLOAD_PENDING 4
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#define WLAN_MSD_FWLOAD 5
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#define WLAN_MSD_RUNNING_PENDING 6
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#define WLAN_MSD_RUNNING 7
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#ifndef ETH_P_ECONET
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#define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */
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#endif
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#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
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#ifndef ARPHRD_IEEE80211
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#define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */
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#endif
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#ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */
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#define ARPHRD_IEEE80211_PRISM 802
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#endif
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/*--- NSD Capabilities Flags ------------------------------*/
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#define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */
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#define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */
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#define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */
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#define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */
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#define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */
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/* Received frame statistics */
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struct p80211_frmrx {
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u32 mgmt;
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u32 assocreq;
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u32 assocresp;
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u32 reassocreq;
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u32 reassocresp;
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u32 probereq;
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u32 proberesp;
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u32 beacon;
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u32 atim;
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u32 disassoc;
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u32 authen;
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u32 deauthen;
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u32 mgmt_unknown;
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u32 ctl;
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u32 pspoll;
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u32 rts;
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u32 cts;
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u32 ack;
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u32 cfend;
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u32 cfendcfack;
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u32 ctl_unknown;
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u32 data;
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u32 dataonly;
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u32 data_cfack;
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u32 data_cfpoll;
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u32 data__cfack_cfpoll;
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u32 null;
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u32 cfack;
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u32 cfpoll;
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u32 cfack_cfpoll;
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u32 data_unknown;
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u32 decrypt;
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u32 decrypt_err;
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};
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/* called by /proc/net/wireless */
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struct iw_statistics *p80211wext_get_wireless_stats(struct net_device *dev);
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/* wireless extensions' ioctls */
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extern struct iw_handler_def p80211wext_handler_def;
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/* WEP stuff */
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#define NUM_WEPKEYS 4
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#define MAX_KEYLEN 32
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#define HOSTWEP_DEFAULTKEY_MASK GENMASK(1, 0)
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#define HOSTWEP_SHAREDKEY BIT(3)
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#define HOSTWEP_DECRYPT BIT(4)
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#define HOSTWEP_ENCRYPT BIT(5)
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#define HOSTWEP_PRIVACYINVOKED BIT(6)
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#define HOSTWEP_EXCLUDEUNENCRYPTED BIT(7)
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extern int wlan_watchdog;
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extern int wlan_wext_write;
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/* WLAN device type */
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struct wlandevice {
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void *priv; /* private data for MSD */
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/* Subsystem State */
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char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev() */
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char *nsdname;
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u32 state; /* Device I/F state (open/closed) */
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u32 msdstate; /* state of underlying driver */
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u32 hwremoved; /* Has the hw been yanked out? */
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/* Hardware config */
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unsigned int irq;
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unsigned int iobase;
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unsigned int membase;
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u32 nsdcaps; /* NSD Capabilities flags */
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/* Config vars */
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unsigned int ethconv;
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/* device methods (init by MSD, used by p80211 */
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int (*open)(struct wlandevice *wlandev);
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int (*close)(struct wlandevice *wlandev);
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void (*reset)(struct wlandevice *wlandev);
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int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb,
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union p80211_hdr *p80211_hdr,
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struct p80211_metawep *p80211_wep);
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int (*mlmerequest)(struct wlandevice *wlandev, struct p80211msg *msg);
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int (*set_multicast_list)(struct wlandevice *wlandev,
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struct net_device *dev);
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void (*tx_timeout)(struct wlandevice *wlandev);
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/* 802.11 State */
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u8 bssid[WLAN_BSSID_LEN];
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struct p80211pstr32 ssid;
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u32 macmode;
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int linkstatus;
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/* WEP State */
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u8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
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u8 wep_keylens[NUM_WEPKEYS];
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int hostwep;
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/* Request/Confirm i/f state (used by p80211) */
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unsigned long request_pending; /* flag, access atomically */
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/* netlink socket */
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/* queue for indications waiting for cmd completion */
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/* Linux netdevice and support */
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struct net_device *netdev; /* ptr to linux netdevice */
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/* Rx bottom half */
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struct tasklet_struct rx_bh;
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struct sk_buff_head nsd_rxq;
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/* 802.11 device statistics */
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struct p80211_frmrx rx;
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struct iw_statistics wstats;
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/* jkriegl: iwspy fields */
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u8 spy_number;
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char spy_address[IW_MAX_SPY][ETH_ALEN];
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struct iw_quality spy_stat[IW_MAX_SPY];
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};
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/* WEP stuff */
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int wep_change_key(struct wlandevice *wlandev, int keynum, u8 *key, int keylen);
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int wep_decrypt(struct wlandevice *wlandev, u8 *buf, u32 len, int key_override,
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u8 *iv, u8 *icv);
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int wep_encrypt(struct wlandevice *wlandev, u8 *buf, u8 *dst, u32 len,
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int keynum, u8 *iv, u8 *icv);
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int wlan_setup(struct wlandevice *wlandev, struct device *physdev);
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void wlan_unsetup(struct wlandevice *wlandev);
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int register_wlandev(struct wlandevice *wlandev);
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int unregister_wlandev(struct wlandevice *wlandev);
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void p80211netdev_rx(struct wlandevice *wlandev, struct sk_buff *skb);
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void p80211netdev_hwremoved(struct wlandevice *wlandev);
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#endif
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